java.lang.NullPointerException: Attempt to invoke virtual method 'long org.hello.tweetconsumer.Greeting.getProductId()' on a null object reference

Stack Overflow | Didem | 6 months ago
  1. 0

    Consuming restful services on Android application

    Stack Overflow | 6 months ago | Didem
    java.lang.NullPointerException: Attempt to invoke virtual method 'long org.hello.tweetconsumer.Greeting.getProductId()' on a null object reference
  2. 0
    The resource was accessed after it was dismissed.
  3. 0
    Initialize the variable before calling a method on it.
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  5. 0
    Use 'dialog' to access views from custom_layout layout.
  6. 0
    The parsed JSON does not contains the requested field.

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    Root Cause Analysis

    1. java.lang.NullPointerException

      Attempt to invoke virtual method 'long org.hello.tweetconsumer.Greeting.getProductId()' on a null object reference

      at org.hello.tweetconsumer.MainActivity$HttpRequestTask.onPostExecute()
    2. org.hello.tweetconsumer
      MainActivity$HttpRequestTask.onPostExecute
      1. org.hello.tweetconsumer.MainActivity$HttpRequestTask.onPostExecute(MainActivity.java:107)
      2. org.hello.tweetconsumer.MainActivity$HttpRequestTask.onPostExecute(MainActivity.java:82)
      2 frames
    3. Android Platform
      AsyncTask.finish
      1. android.os.AsyncTask.finish(AsyncTask.java:651)
      1 frame